AUDI/VW DQ400 DSG mechatronics, new (GEN1)

New Volkswagen DQ400 DSG Mechatronics Unit

This original, brand-new mechatronics unit is designed for the 6-speed Volkswagen DQ400 DSG gearbox, found in VAG Group plug-in hybrid models. The mechatronics unit is one of the most common sources of issues, and replacing it offers a cost-effective solution without needing to change the entire transmission.

Why a new mechatronics unit may be needed

Typical symptoms include:

• Irregular or jerky gear shifts
• Warning lights or transmission-related fault codes
• Reduced driving comfort and performance

Common DQ400 issues

The DQ400 gearbox is known for a few specific weak points that may cause failures:

• The steel mesh filter in the oil sump may come loose inside the oil line, reducing oil pressure
• Loss of oil pressure can lead to solenoid malfunctions
• These issues often result in the notorious clutch engagement fault code (K0 solenoid issue, fault code P2884)

Replacing the mechatronics unit resolves these problems and restores reliable gearbox performance.

Professional installation required

DSG gearbox repairs should always be performed by a qualified technician. The correct tools, software, and adaptation programming ensure reliable operation and long service life of the new mechatronics unit.

All DSG parts available from Futurez

We supply the full range of DSG gearbox components – from clutches and solenoids to complete transmissions. If you are looking for a specific part, send us an inquiry with your vehicle details or part number. You can also contact us directly via WhatsApp – we are happy to help.

Upgrades & tuning at our Vantaa workshop

At our Vantaa location, we provide TVS Engineering software upgrades and tuning for all DSG gearboxes. These upgrades significantly improve drivability, shift response, and reliability – especially for tuned vehicles or heavy-duty use.

Examples of vehicles typically equipped with the DQ400 gearbox:

• Volkswagen Golf GTE (2014–2020)
• Volkswagen Passat GTE (2015–2020)
• Audi A3 e-tron (2014–2018)
• Audi Q3 40 TFSI e (2020–2025)
• Skoda Superb iV (2019–2025)
• Skoda Octavia iV (2020–2025)
• Seat Leon e-Hybrid (2020–2025)